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r <br /> I 1 <br /> Ws.?tf.MfM aArvp Hit6 Y 1<Tsa <br /> TABLE 4 <br /> CONCENTRATIONS OF. <br /> HYDROCARBON CONSTIT 'TS'IN SOIL, <br /> s 909 W. ST�CTON VAPOR AT EXXON RS 7-1050 <br /> F�Af1�R <br /> �.. PANE CALIPbRNIA. �? 'D <br /> 1 ECr' IIt 1987 <br /> Total <br /> Peaks Prior Volatile <br /> Sample Depth to Benzenes Benzene Toluene o-Xylene m Ethyl- 1a <br /> Hydro- <br /> Location fttD ( )c - p ,P-Xylene benzene P1�O1 carbons <br /> { fPPm) pm)c <br /> V7/,A 3.0 <5 <i <i <1 <br /> v7/B 5.5 <5 <1 <1 <1 <5 p <br /> V8/A _3.0 <1 <1 . <7 <i <1 <br /> 5 <1 <1 <1 <1 <.1 <5 <br /> .V8/B 5.5 5-10 <1 <1 . <1 <1 5 <br /> V9/B 3.0 <5 <1 C1 �� <1 <7 <1 <10 <br /> / .5 <5 <1 <1 <1 <1 <1 5 <br /> V11 3.0 <5 <1 �� <1. <1 <� <� <S <br /> <1 <1 <1 <1 <br /> <5 <br /> BLANK DATA �. <br /> Peaks Prior Volatile <br /> Test Time Ethyl- <br /> to Benzenes Benzene Toluene o-Xylene m,p-Xylene benzene PNC1Ib <br /> HYdro- <br /> --�_ m}. (p1?m) (ppm (ppm) (��m) ( D ( DC carbon <br /> — _ �' ' .� _(per <br /> 112D <0.5 <0.1: <0.1 <D.1 <br /> 1234 <1 <0.1 <0.1 . <0.1 <O.i <0.1 <0.5 <1 <br /> <0.1 <0.1 <0.5 <1 <br /> PERCENTAGE OF STANDARD RECOVERED <br /> Benzene Toluene o—Xyler�e m Ethyl- <br /> Te_ Time LL m—M) ,P-Xylene benzene <br /> -LPP -) —12P—m)— - m) <br /> 1.153 <br /> 100 1001 <br /> 00 99 88 100 100 100 4 <br /> 1325 63 61 66 <br /> 96 83 .51 54 58 <br /> aPeales frau blank data subtracted from total peaks prior to benzene. <br /> b. Peaks not otherwise identified. <br /> c. Quantification.based on V-sec:ppm ratio for benzene (see text). <br />